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A ribonuclease P complex located in the mitochondrion of a eukaryotic cell, where it catalyzes the 5' endonucleolytic cleavage of precursor tRNAs to yield mature tRNAs. The subunit composition of mitochondrial ribonuclease P complexes varies between species, but the complex often contains a single RNA molecule and a single protein molecule. A ribonuclease P complex that contains a single RNA molecule that is necessary and usually sufficient for catalysis, and a single protein molecule. Examples of this complex are found in Bacterial species. A stable assembly of two or more macromolecules, i.e. proteins, nucleic acids, carbohydrates or lipids, in which the constituent parts function together. A macromolecular complex containing both protein and RNA molecules. A ribonuclease P complex that generally contains a single RNA molecule and several protein molecules. Examples of this complex are found in Archaeal species. Any constituent part of the living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm. A ribonucleoprotein complex that catalyzes cleavage of the leader sequence of precursor tRNAs (pre-tRNAs), generating the mature 5' end of tRNAs.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: ribonuclease P complex
Acc: GO:0030677
Aspect: Cellular Component
Desc: A ribonucleoprotein complex that catalyzes cleavage of the leader sequence of precursor tRNAs (pre-tRNAs), generating the mature 5' end of tRNAs.
Synonyms:
  • RNase P complex
Proteins in PDR annotated with:
   This term: 13 [Search]
   Term or descendants: 48 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0030677 - ribonuclease P complex (interactive image map)
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